Home / 14,548.69-20,076.29-8,580.61

Finding the Fourth Proportional to 14,548.69, 20,076.29 and 8,580.61

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Solution

The fourth proportional to 14,548.69, 20,076.29 and 8,580.61 is: 11,840.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,548.69 : 20,076.29 = 8,580.61 : x
  2. Step 2: Convert to fraction form
    14,548.69/20,076.29 = 8,580.61/x
  3. Step 3: Cross multiply
    14,548.69x = 20,076.29 × 8,580.61
  4. Step 4: Simplify right side
    14,548.69x = 172,266,714.36
  5. Step 5: Solve for x
    x = 172,266,714.36/14,548.69
  6. Step 6: Final answer
    x = 11,840.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.